SPADE 
Spade Space
Annotate PDF
Annotate the web
Draw out and save your ideas, notes, and thoughts anywhere.
Awesome annotations
Mark up a page as if it were on paper.
Annotate directly on a webpage using a pen, highlighter, and textboxes.
Notes are saved to the cloud so they appear even after you exit a page.
Share annotations with colleagues, peers, and friends for reference.
Vital vocab
Identify unfamiliar words and build up your vocab list on the go.
Swift summaries
Using artifical intelligiance, Spade gets to the main points.
Dope dashboard
Manage everything in one place.
Let your thoughts run free
Let Spade make it easy.
